arm: zynq: Add device-type property for zynq ethernet phy nodes

Mention device-type = "ethernet-phy", as qemu will need this in absence
of compatible.
Signed-off-by: Sai Pavan Boddu <saipava@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/boot/dts/zynq-parallella.dts

@@ -54,6 +54,7 @@ ethernet_phy: ethernet-phy@0 {
 		compatible = "ethernet-phy-id0141.0e90",
 		             "ethernet-phy-ieee802.3-c22";
 		reg = <0>;
+		device_type = "ethernet-phy";
 		marvell,reg-init = <0x3 0x10 0xff00 0x1e>,
 		                   <0x3 0x11 0xfff0 0xa>;
 	};

arch/arm/boot/dts/zynq-zc702.dts

@@ -97,6 +97,7 @@ &gem0 {
 
 	ethernet_phy: ethernet-phy@7 {
 		reg = <7>;
+		device_type = "ethernet-phy";
 	};
 };
 

arch/arm/boot/dts/zynq-zc706.dts

@@ -53,6 +53,7 @@ &gem0 {
 
 	ethernet_phy: ethernet-phy@7 {
 		reg = <7>;
+		device_type = "ethernet-phy";
 	};
 };
 

arch/arm/boot/dts/zynq-zed.dts

@@ -50,6 +50,7 @@ &gem0 {
 
 	ethernet_phy: ethernet-phy@0 {
 		reg = <0>;
+		device_type = "ethernet-phy";
 	};
 };
 

arch/arm/boot/dts/zynq-zybo.dts

@@ -51,6 +51,7 @@ &gem0 {
 
 	ethernet_phy: ethernet-phy@0 {
 		reg = <0>;
+		device_type = "ethernet-phy";
 	};
 };